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Enter one or more keywords to search for using the Zoom Search Engine.
The single character wildcard ? used as ?CC84 will find ECC84, PCC84 and UCC84
The many character wildcard * used as ECC* will find ECC81, ECC82, ECC83 and/or ECC32 etc.
Database keyword terms are all searchable but require hyphens in place of space or . to distinguish from plain text words
eg for triode pentode valves use triode-pentode and for 4.0V heater use 4-0V
For combination searches, enter keywords separated by a space and select match all search words.
eg mullard triode-pentode IO will search for all Mullard triode pentodes with an International Octal base.
Click here for keyword list.
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Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Adding AVC to the Monodial AC Super W T Cocking, W...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact New Valves in Old Sets Wireless World, December 8 ...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact When a Beginner buys a Valve R W Hallows MA, The W...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Restoring Lost Emission R W Hallows MA, Modern Wir...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Valve Technology - A Practical Guide A series of a...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact How I Invented the Thermionic Diode By J A Fleming...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Choosing a Vidicon D J Gibbons MA PhD (EMI Researc...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Radio Valve Data: 1915-1960 Keith R Thrower OBE, T...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact Radio Valve Data: 1915-1960 Keith R Thrower OBE, T...
Menu Home Search Indexes Equivalents Articles Adverts Boxes Timeline Collections Donate Contact QS75/20 Sensibly equivalent to: 75B1 CV284 CV5083 ...
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Type Finder
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Type Finder is only available to Museum Friends.
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